This double-sided, electronic center has a wealth of age-appropriate activities that benefit baby"s developing senses, motor skills, learning and general happiness. The crib attachment side includes a light-up, musical, smiley face, an unbreakable mirror, spinning clover, ring-pull and squeaker. When reversed as an activity table, baby gets turning gears, real musical instrument sounds, 4 different activity buttons and 3 musical buttons that play a Mozart melody. Adjustable straps and built-in legs. Safe, durable plastic. Uses 3 AA" batteries (not included). Size 13"L. x 13"W. Ages 3 months to 2 years."